Re: Beware: java-1.8.0-openjdk SIGSEGVs / SIGABRTs in rawhide

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On 15/03/2020 14:02, Fabio Valentini wrote:
> Hi everybody,
> The latest java-1.8.0-openjdk update for rawhide (the first build with
> GCC 10) seems to have introduced some serious problems - including
> crashes and segmentation faults during package builds for Java
> packages.
> The broken update landed in rawhide with the
> Fedora-Rawhide-20200313.n.0 compose:
> java-1.8.0-openjdk-1: ->
> java-1.8.0-openjdk-1:
> I haven't been able to reproduce the crashes reliably, so I assume
> it's something that's either randomly triggered, or dependent on the
> specific hardware / architecture (but this seems to affect at least
> x86_64, i686, and aarch64, so I'm not so sure it's architecture
> related).
> koschei started complaining about a whole lot of Java packages since
> the update landed:
> The same java-1.8.0-openjdk update has also landed in f32
> updates-testing, but I haven't been able to reproduce any crashes with
> that version (so far), so I'm not sure if this is also affecting the
> f32 update, or if it's isolated to rawhide.
> Here's the - seemingly unaffected - f32 update for the same version:
> I've reported this issue here:
> Does somebody have experience with debugging the JVM? Please help :D
> Fabio

The OpenJDK package itself is no different to the one that's been in
earlier versions of Fedora since January [0] [1]. I believe GCC 10 is
the issue here.

It has taken a significant effort to even get java-1.8.0-openjdk to
build with GCC 10 [2], mainly by turning off a number of optimisations,
and a backlog of changes has built up. We really need to be getting
these packages updated for the next security update this time next month.

Do you know if F32 & rawhide are using the same GCC?


Andrew :)

Senior Free Java Software Engineer
Red Hat, Inc. (

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